Home / 98,617.86-136,059.40-56,146.32

Finding the Fourth Proportional to 98,617.86, 136,059.40 and 56,146.32

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Solution

The fourth proportional to 98,617.86, 136,059.40 and 56,146.32 is: 77,462.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,617.86 : 136,059.40 = 56,146.32 : x
  2. Step 2: Convert to fraction form
    98,617.86/136,059.40 = 56,146.32/x
  3. Step 3: Cross multiply
    98,617.86x = 136,059.40 × 56,146.32
  4. Step 4: Simplify right side
    98,617.86x = 7,639,234,611.41
  5. Step 5: Solve for x
    x = 7,639,234,611.41/98,617.86
  6. Step 6: Final answer
    x = 77,462.99

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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.