Home / 53,695.08-74,162.16-42,977.16

Finding the Fourth Proportional to 53,695.08, 74,162.16 and 42,977.16

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Solution

The fourth proportional to 53,695.08, 74,162.16 and 42,977.16 is: 59,358.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,695.08 : 74,162.16 = 42,977.16 : x
  2. Step 2: Convert to fraction form
    53,695.08/74,162.16 = 42,977.16/x
  3. Step 3: Cross multiply
    53,695.08x = 74,162.16 × 42,977.16
  4. Step 4: Simplify right side
    53,695.08x = 3,187,279,016.27
  5. Step 5: Solve for x
    x = 3,187,279,016.27/53,695.08
  6. Step 6: Final answer
    x = 59,358.87

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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.