Home / 88,150.04-121,617.02-56,337.29

Finding the Fourth Proportional to 88,150.04, 121,617.02 and 56,337.29

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Solution

The fourth proportional to 88,150.04, 121,617.02 and 56,337.29 is: 77,726.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,150.04 : 121,617.02 = 56,337.29 : x
  2. Step 2: Convert to fraction form
    88,150.04/121,617.02 = 56,337.29/x
  3. Step 3: Cross multiply
    88,150.04x = 121,617.02 × 56,337.29
  4. Step 4: Simplify right side
    88,150.04x = 6,851,573,042.99
  5. Step 5: Solve for x
    x = 6,851,573,042.99/88,150.04
  6. Step 6: Final answer
    x = 77,726.26

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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.