Home / 90,752.04-125,129.34-58,909.32

Finding the Fourth Proportional to 90,752.04, 125,129.34 and 58,909.32

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Solution

The fourth proportional to 90,752.04, 125,129.34 and 58,909.32 is: 81,224.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,752.04 : 125,129.34 = 58,909.32 : x
  2. Step 2: Convert to fraction form
    90,752.04/125,129.34 = 58,909.32/x
  3. Step 3: Cross multiply
    90,752.04x = 125,129.34 × 58,909.32
  4. Step 4: Simplify right side
    90,752.04x = 7,371,284,331.45
  5. Step 5: Solve for x
    x = 7,371,284,331.45/90,752.04
  6. Step 6: Final answer
    x = 81,224.45

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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.