Home / 88,013.08-121,458.01-47,726.72

Finding the Fourth Proportional to 88,013.08, 121,458.01 and 47,726.72

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Solution

The fourth proportional to 88,013.08, 121,458.01 and 47,726.72 is: 65,862.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,013.08 : 121,458.01 = 47,726.72 : x
  2. Step 2: Convert to fraction form
    88,013.08/121,458.01 = 47,726.72/x
  3. Step 3: Cross multiply
    88,013.08x = 121,458.01 × 47,726.72
  4. Step 4: Simplify right side
    88,013.08x = 5,796,792,119.14
  5. Step 5: Solve for x
    x = 5,796,792,119.14/88,013.08
  6. Step 6: Final answer
    x = 65,862.85

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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.