Home / 127,432.18-175,860.93-70,075.90

Finding the Fourth Proportional to 127,432.18, 175,860.93 and 70,075.90

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Solution

The fourth proportional to 127,432.18, 175,860.93 and 70,075.90 is: 96,707.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,432.18 : 175,860.93 = 70,075.90 : x
  2. Step 2: Convert to fraction form
    127,432.18/175,860.93 = 70,075.90/x
  3. Step 3: Cross multiply
    127,432.18x = 175,860.93 × 70,075.90
  4. Step 4: Simplify right side
    127,432.18x = 12,323,612,944.59
  5. Step 5: Solve for x
    x = 12,323,612,944.59/127,432.18
  6. Step 6: Final answer
    x = 96,707.23

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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.