Home / 88,256.39-121,794.63-47,970.25

Finding the Fourth Proportional to 88,256.39, 121,794.63 and 47,970.25

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Solution

The fourth proportional to 88,256.39, 121,794.63 and 47,970.25 is: 66,199.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,256.39 : 121,794.63 = 47,970.25 : x
  2. Step 2: Convert to fraction form
    88,256.39/121,794.63 = 47,970.25/x
  3. Step 3: Cross multiply
    88,256.39x = 121,794.63 × 47,970.25
  4. Step 4: Simplify right side
    88,256.39x = 5,842,518,849.76
  5. Step 5: Solve for x
    x = 5,842,518,849.76/88,256.39
  6. Step 6: Final answer
    x = 66,199.39

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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.