Home / 92,509.08-127,575.86-61,409.30

Finding the Fourth Proportional to 92,509.08, 127,575.86 and 61,409.30

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Solution

The fourth proportional to 92,509.08, 127,575.86 and 61,409.30 is: 84,687.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,509.08 : 127,575.86 = 61,409.30 : x
  2. Step 2: Convert to fraction form
    92,509.08/127,575.86 = 61,409.30/x
  3. Step 3: Cross multiply
    92,509.08x = 127,575.86 × 61,409.30
  4. Step 4: Simplify right side
    92,509.08x = 7,834,344,259.50
  5. Step 5: Solve for x
    x = 7,834,344,259.50/92,509.08
  6. Step 6: Final answer
    x = 84,687.30

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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.