Home / 61,378.16-84,708.36-37,518.80

Finding the Fourth Proportional to 61,378.16, 84,708.36 and 37,518.80

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Solution

The fourth proportional to 61,378.16, 84,708.36 and 37,518.80 is: 51,779.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,378.16 : 84,708.36 = 37,518.80 : x
  2. Step 2: Convert to fraction form
    61,378.16/84,708.36 = 37,518.80/x
  3. Step 3: Cross multiply
    61,378.16x = 84,708.36 × 37,518.80
  4. Step 4: Simplify right side
    61,378.16x = 3,178,156,017.17
  5. Step 5: Solve for x
    x = 3,178,156,017.17/61,378.16
  6. Step 6: Final answer
    x = 51,779.92

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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.