Home / 121,567.47-167,746.57-70,572.12

Finding the Fourth Proportional to 121,567.47, 167,746.57 and 70,572.12

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Solution

The fourth proportional to 121,567.47, 167,746.57 and 70,572.12 is: 97,379.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,567.47 : 167,746.57 = 70,572.12 : x
  2. Step 2: Convert to fraction form
    121,567.47/167,746.57 = 70,572.12/x
  3. Step 3: Cross multiply
    121,567.47x = 167,746.57 × 70,572.12
  4. Step 4: Simplify right side
    121,567.47x = 11,838,231,067.63
  5. Step 5: Solve for x
    x = 11,838,231,067.63/121,567.47
  6. Step 6: Final answer
    x = 97,379.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.