Home / 71,690.08-98,901.36-44,785.76

Finding the Fourth Proportional to 71,690.08, 98,901.36 and 44,785.76

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Solution

The fourth proportional to 71,690.08, 98,901.36 and 44,785.76 is: 61,785.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,690.08 : 98,901.36 = 44,785.76 : x
  2. Step 2: Convert to fraction form
    71,690.08/98,901.36 = 44,785.76/x
  3. Step 3: Cross multiply
    71,690.08x = 98,901.36 × 44,785.76
  4. Step 4: Simplify right side
    71,690.08x = 4,429,372,572.63
  5. Step 5: Solve for x
    x = 4,429,372,572.63/71,690.08
  6. Step 6: Final answer
    x = 61,785.01

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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.