Home / 77,501.84-106,985.04-52,385.36

Finding the Fourth Proportional to 77,501.84, 106,985.04 and 52,385.36

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Solution

The fourth proportional to 77,501.84, 106,985.04 and 52,385.36 is: 72,313.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,501.84 : 106,985.04 = 52,385.36 : x
  2. Step 2: Convert to fraction form
    77,501.84/106,985.04 = 52,385.36/x
  3. Step 3: Cross multiply
    77,501.84x = 106,985.04 × 52,385.36
  4. Step 4: Simplify right side
    77,501.84x = 5,604,449,835.01
  5. Step 5: Solve for x
    x = 5,604,449,835.01/77,501.84
  6. Step 6: Final answer
    x = 72,313.76

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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.