Home / 77,313.12-106,693.25-45,047.04

Finding the Fourth Proportional to 77,313.12, 106,693.25 and 45,047.04

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Solution

The fourth proportional to 77,313.12, 106,693.25 and 45,047.04 is: 62,165.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,313.12 : 106,693.25 = 45,047.04 : x
  2. Step 2: Convert to fraction form
    77,313.12/106,693.25 = 45,047.04/x
  3. Step 3: Cross multiply
    77,313.12x = 106,693.25 × 45,047.04
  4. Step 4: Simplify right side
    77,313.12x = 4,806,214,875.24
  5. Step 5: Solve for x
    x = 4,806,214,875.24/77,313.12
  6. Step 6: Final answer
    x = 62,165.58

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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.