Home / 90,235.68-124,565.76-58,017.12

Finding the Fourth Proportional to 90,235.68, 124,565.76 and 58,017.12

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Solution

The fourth proportional to 90,235.68, 124,565.76 and 58,017.12 is: 80,089.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,235.68 : 124,565.76 = 58,017.12 : x
  2. Step 2: Convert to fraction form
    90,235.68/124,565.76 = 58,017.12/x
  3. Step 3: Cross multiply
    90,235.68x = 124,565.76 × 58,017.12
  4. Step 4: Simplify right side
    90,235.68x = 7,226,946,645.81
  5. Step 5: Solve for x
    x = 7,226,946,645.81/90,235.68
  6. Step 6: Final answer
    x = 80,089.68

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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.