Home / 70,875.06-106,275.69-26,465.30

Finding the Fourth Proportional to 70,875.06, 106,275.69 and 26,465.30

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Solution

The fourth proportional to 70,875.06, 106,275.69 and 26,465.30 is: 39,684.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,875.06 : 106,275.69 = 26,465.30 : x
  2. Step 2: Convert to fraction form
    70,875.06/106,275.69 = 26,465.30/x
  3. Step 3: Cross multiply
    70,875.06x = 106,275.69 × 26,465.30
  4. Step 4: Simplify right side
    70,875.06x = 2,812,617,487.18
  5. Step 5: Solve for x
    x = 2,812,617,487.18/70,875.06
  6. Step 6: Final answer
    x = 39,684.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.