Home / 127,430.19-175,838.25-70,060.05

Finding the Fourth Proportional to 127,430.19, 175,838.25 and 70,060.05

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Solution

The fourth proportional to 127,430.19, 175,838.25 and 70,060.05 is: 96,674.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,430.19 : 175,838.25 = 70,060.05 : x
  2. Step 2: Convert to fraction form
    127,430.19/175,838.25 = 70,060.05/x
  3. Step 3: Cross multiply
    127,430.19x = 175,838.25 × 70,060.05
  4. Step 4: Simplify right side
    127,430.19x = 12,319,236,586.91
  5. Step 5: Solve for x
    x = 12,319,236,586.91/127,430.19
  6. Step 6: Final answer
    x = 96,674.40

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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.