Home / 77,303.16-106,688.16-45,474.96

Finding the Fourth Proportional to 77,303.16, 106,688.16 and 45,474.96

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Solution

The fourth proportional to 77,303.16, 106,688.16 and 45,474.96 is: 62,761.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,303.16 : 106,688.16 = 45,474.96 : x
  2. Step 2: Convert to fraction form
    77,303.16/106,688.16 = 45,474.96/x
  3. Step 3: Cross multiply
    77,303.16x = 106,688.16 × 45,474.96
  4. Step 4: Simplify right side
    77,303.16x = 4,851,639,808.47
  5. Step 5: Solve for x
    x = 4,851,639,808.47/77,303.16
  6. Step 6: Final answer
    x = 62,761.21

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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.