Home / 98,624.86-136,069.04-56,153.32

Finding the Fourth Proportional to 98,624.86, 136,069.04 and 56,153.32

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Solution

The fourth proportional to 98,624.86, 136,069.04 and 56,153.32 is: 77,472.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,624.86 : 136,069.04 = 56,153.32 : x
  2. Step 2: Convert to fraction form
    98,624.86/136,069.04 = 56,153.32/x
  3. Step 3: Cross multiply
    98,624.86x = 136,069.04 × 56,153.32
  4. Step 4: Simplify right side
    98,624.86x = 7,640,728,345.21
  5. Step 5: Solve for x
    x = 7,640,728,345.21/98,624.86
  6. Step 6: Final answer
    x = 77,472.64

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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.