Home / 93,641.40-129,216.87-53,353.62

Finding the Fourth Proportional to 93,641.40, 129,216.87 and 53,353.62

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Solution

The fourth proportional to 93,641.40, 129,216.87 and 53,353.62 is: 73,623.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,641.40 : 129,216.87 = 53,353.62 : x
  2. Step 2: Convert to fraction form
    93,641.40/129,216.87 = 53,353.62/x
  3. Step 3: Cross multiply
    93,641.40x = 129,216.87 × 53,353.62
  4. Step 4: Simplify right side
    93,641.40x = 6,894,187,779.57
  5. Step 5: Solve for x
    x = 6,894,187,779.57/93,641.40
  6. Step 6: Final answer
    x = 73,623.29

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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.