Home / 82,352.80-113,561.40-70,455.52

Finding the Fourth Proportional to 82,352.80, 113,561.40 and 70,455.52

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Solution

The fourth proportional to 82,352.80, 113,561.40 and 70,455.52 is: 97,155.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,352.80 : 113,561.40 = 70,455.52 : x
  2. Step 2: Convert to fraction form
    82,352.80/113,561.40 = 70,455.52/x
  3. Step 3: Cross multiply
    82,352.80x = 113,561.40 × 70,455.52
  4. Step 4: Simplify right side
    82,352.80x = 8,001,027,488.93
  5. Step 5: Solve for x
    x = 8,001,027,488.93/82,352.80
  6. Step 6: Final answer
    x = 97,155.50

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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.