Home / 61,139.16-84,370.95-34,281.59

Finding the Fourth Proportional to 61,139.16, 84,370.95 and 34,281.59

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Solution

The fourth proportional to 61,139.16, 84,370.95 and 34,281.59 is: 47,307.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,139.16 : 84,370.95 = 34,281.59 : x
  2. Step 2: Convert to fraction form
    61,139.16/84,370.95 = 34,281.59/x
  3. Step 3: Cross multiply
    61,139.16x = 84,370.95 × 34,281.59
  4. Step 4: Simplify right side
    61,139.16x = 2,892,369,893.96
  5. Step 5: Solve for x
    x = 2,892,369,893.96/61,139.16
  6. Step 6: Final answer
    x = 47,307.98

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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.