Home / 121,587.47-167,774.17-70,592.12

Finding the Fourth Proportional to 121,587.47, 167,774.17 and 70,592.12

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Solution

The fourth proportional to 121,587.47, 167,774.17 and 70,592.12 is: 97,407.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,587.47 : 167,774.17 = 70,592.12 : x
  2. Step 2: Convert to fraction form
    121,587.47/167,774.17 = 70,592.12/x
  3. Step 3: Cross multiply
    121,587.47x = 167,774.17 × 70,592.12
  4. Step 4: Simplify right side
    121,587.47x = 11,843,534,341.54
  5. Step 5: Solve for x
    x = 11,843,534,341.54/121,587.47
  6. Step 6: Final answer
    x = 97,407.52

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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.