Home / 92,153.16-127,132.74-56,331.72

Finding the Fourth Proportional to 92,153.16, 127,132.74 and 56,331.72

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Solution

The fourth proportional to 92,153.16, 127,132.74 and 56,331.72 is: 77,714.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,153.16 : 127,132.74 = 56,331.72 : x
  2. Step 2: Convert to fraction form
    92,153.16/127,132.74 = 56,331.72/x
  3. Step 3: Cross multiply
    92,153.16x = 127,132.74 × 56,331.72
  4. Step 4: Simplify right side
    92,153.16x = 7,161,605,912.51
  5. Step 5: Solve for x
    x = 7,161,605,912.51/92,153.16
  6. Step 6: Final answer
    x = 77,714.17

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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.