Home / 90,275.07-124,579.38-52,034.31

Finding the Fourth Proportional to 90,275.07, 124,579.38 and 52,034.31

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Solution

The fourth proportional to 90,275.07, 124,579.38 and 52,034.31 is: 71,807.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,275.07 : 124,579.38 = 52,034.31 : x
  2. Step 2: Convert to fraction form
    90,275.07/124,579.38 = 52,034.31/x
  3. Step 3: Cross multiply
    90,275.07x = 124,579.38 × 52,034.31
  4. Step 4: Simplify right side
    90,275.07x = 6,482,402,078.53
  5. Step 5: Solve for x
    x = 6,482,402,078.53/90,275.07
  6. Step 6: Final answer
    x = 71,807.22

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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.