Home / 92,430.64-127,554.36-49,989.22

Finding the Fourth Proportional to 92,430.64, 127,554.36 and 49,989.22

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Solution

The fourth proportional to 92,430.64, 127,554.36 and 49,989.22 is: 68,985.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,430.64 : 127,554.36 = 49,989.22 : x
  2. Step 2: Convert to fraction form
    92,430.64/127,554.36 = 49,989.22/x
  3. Step 3: Cross multiply
    92,430.64x = 127,554.36 × 49,989.22
  4. Step 4: Simplify right side
    92,430.64x = 6,376,342,964.00
  5. Step 5: Solve for x
    x = 6,376,342,964.00/92,430.64
  6. Step 6: Final answer
    x = 68,985.17

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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.