Home / 93,780.71-129,417.38-51,339.24

Finding the Fourth Proportional to 93,780.71, 129,417.38 and 51,339.24

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Solution

The fourth proportional to 93,780.71, 129,417.38 and 51,339.24 is: 70,848.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,780.71 : 129,417.38 = 51,339.24 : x
  2. Step 2: Convert to fraction form
    93,780.71/129,417.38 = 51,339.24/x
  3. Step 3: Cross multiply
    93,780.71x = 129,417.38 × 51,339.24
  4. Step 4: Simplify right side
    93,780.71x = 6,644,189,931.99
  5. Step 5: Solve for x
    x = 6,644,189,931.99/93,780.71
  6. Step 6: Final answer
    x = 70,848.15

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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.