Home / 76,308.55-105,312.46-44,476.77

Finding the Fourth Proportional to 76,308.55, 105,312.46 and 44,476.77

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Solution

The fourth proportional to 76,308.55, 105,312.46 and 44,476.77 is: 61,381.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,308.55 : 105,312.46 = 44,476.77 : x
  2. Step 2: Convert to fraction form
    76,308.55/105,312.46 = 44,476.77/x
  3. Step 3: Cross multiply
    76,308.55x = 105,312.46 × 44,476.77
  4. Step 4: Simplify right side
    76,308.55x = 4,683,957,312.61
  5. Step 5: Solve for x
    x = 4,683,957,312.61/76,308.55
  6. Step 6: Final answer
    x = 61,381.82

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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.