Home / 105,292.46-145,256.88-62,826.32

Finding the Fourth Proportional to 105,292.46, 145,256.88 and 62,826.32

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Solution

The fourth proportional to 105,292.46, 145,256.88 and 62,826.32 is: 86,672.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,292.46 : 145,256.88 = 62,826.32 : x
  2. Step 2: Convert to fraction form
    105,292.46/145,256.88 = 62,826.32/x
  3. Step 3: Cross multiply
    105,292.46x = 145,256.88 × 62,826.32
  4. Step 4: Simplify right side
    105,292.46x = 9,125,955,225.08
  5. Step 5: Solve for x
    x = 9,125,955,225.08/105,292.46
  6. Step 6: Final answer
    x = 86,672.45

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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.