Home / 124,798.46-172,221.93-71,088.50

Finding the Fourth Proportional to 124,798.46, 172,221.93 and 71,088.50

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Solution

The fourth proportional to 124,798.46, 172,221.93 and 71,088.50 is: 98,102.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,798.46 : 172,221.93 = 71,088.50 : x
  2. Step 2: Convert to fraction form
    124,798.46/172,221.93 = 71,088.50/x
  3. Step 3: Cross multiply
    124,798.46x = 172,221.93 × 71,088.50
  4. Step 4: Simplify right side
    124,798.46x = 12,242,999,101.36
  5. Step 5: Solve for x
    x = 12,242,999,101.36/124,798.46
  6. Step 6: Final answer
    x = 98,102.17

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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.