Home / 109,032.16-163,430.70-52,753.36

Finding the Fourth Proportional to 109,032.16, 163,430.70 and 52,753.36

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Solution

The fourth proportional to 109,032.16, 163,430.70 and 52,753.36 is: 79,073.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,032.16 : 163,430.70 = 52,753.36 : x
  2. Step 2: Convert to fraction form
    109,032.16/163,430.70 = 52,753.36/x
  3. Step 3: Cross multiply
    109,032.16x = 163,430.70 × 52,753.36
  4. Step 4: Simplify right side
    109,032.16x = 8,621,518,552.15
  5. Step 5: Solve for x
    x = 8,621,518,552.15/109,032.16
  6. Step 6: Final answer
    x = 79,073.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.