Home / 88,095.61-121,511.72-56,250.14

Finding the Fourth Proportional to 88,095.61, 121,511.72 and 56,250.14

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Solution

The fourth proportional to 88,095.61, 121,511.72 and 56,250.14 is: 77,586.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,095.61 : 121,511.72 = 56,250.14 : x
  2. Step 2: Convert to fraction form
    88,095.61/121,511.72 = 56,250.14/x
  3. Step 3: Cross multiply
    88,095.61x = 121,511.72 × 56,250.14
  4. Step 4: Simplify right side
    88,095.61x = 6,835,051,706.05
  5. Step 5: Solve for x
    x = 6,835,051,706.05/88,095.61
  6. Step 6: Final answer
    x = 77,586.75

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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.