Home / 86,811.60-119,805.95-48,574.78

Finding the Fourth Proportional to 86,811.60, 119,805.95 and 48,574.78

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Solution

The fourth proportional to 86,811.60, 119,805.95 and 48,574.78 is: 67,036.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,811.60 : 119,805.95 = 48,574.78 : x
  2. Step 2: Convert to fraction form
    86,811.60/119,805.95 = 48,574.78/x
  3. Step 3: Cross multiply
    86,811.60x = 119,805.95 × 48,574.78
  4. Step 4: Simplify right side
    86,811.60x = 5,819,547,485.86
  5. Step 5: Solve for x
    x = 5,819,547,485.86/86,811.60
  6. Step 6: Final answer
    x = 67,036.52

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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.