Home / 88,030.08-131,980.52-56,475.76

Finding the Fourth Proportional to 88,030.08, 131,980.52 and 56,475.76

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Solution

The fourth proportional to 88,030.08, 131,980.52 and 56,475.76 is: 84,672.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,030.08 : 131,980.52 = 56,475.76 : x
  2. Step 2: Convert to fraction form
    88,030.08/131,980.52 = 56,475.76/x
  3. Step 3: Cross multiply
    88,030.08x = 131,980.52 × 56,475.76
  4. Step 4: Simplify right side
    88,030.08x = 7,453,700,172.20
  5. Step 5: Solve for x
    x = 7,453,700,172.20/88,030.08
  6. Step 6: Final answer
    x = 84,672.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.