Home / 93,929.31-129,659.00-56,215.71

Finding the Fourth Proportional to 93,929.31, 129,659.00 and 56,215.71

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Solution

The fourth proportional to 93,929.31, 129,659.00 and 56,215.71 is: 77,599.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,929.31 : 129,659.00 = 56,215.71 : x
  2. Step 2: Convert to fraction form
    93,929.31/129,659.00 = 56,215.71/x
  3. Step 3: Cross multiply
    93,929.31x = 129,659.00 × 56,215.71
  4. Step 4: Simplify right side
    93,929.31x = 7,288,872,461.81
  5. Step 5: Solve for x
    x = 7,288,872,461.81/93,929.31
  6. Step 6: Final answer
    x = 77,599.55

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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.