Home / 93,686.30-129,250.78-59,688.70

Finding the Fourth Proportional to 93,686.30, 129,250.78 and 59,688.70

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Solution

The fourth proportional to 93,686.30, 129,250.78 and 59,688.70 is: 82,347.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,686.30 : 129,250.78 = 59,688.70 : x
  2. Step 2: Convert to fraction form
    93,686.30/129,250.78 = 59,688.70/x
  3. Step 3: Cross multiply
    93,686.30x = 129,250.78 × 59,688.70
  4. Step 4: Simplify right side
    93,686.30x = 7,714,810,559.84
  5. Step 5: Solve for x
    x = 7,714,810,559.84/93,686.30
  6. Step 6: Final answer
    x = 82,347.27

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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.