Home / 76,365.15-105,384.47-42,373.77

Finding the Fourth Proportional to 76,365.15, 105,384.47 and 42,373.77

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Solution

The fourth proportional to 76,365.15, 105,384.47 and 42,373.77 is: 58,476.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,365.15 : 105,384.47 = 42,373.77 : x
  2. Step 2: Convert to fraction form
    76,365.15/105,384.47 = 42,373.77/x
  3. Step 3: Cross multiply
    76,365.15x = 105,384.47 × 42,373.77
  4. Step 4: Simplify right side
    76,365.15x = 4,465,537,293.35
  5. Step 5: Solve for x
    x = 4,465,537,293.35/76,365.15
  6. Step 6: Final answer
    x = 58,476.11

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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.