Home / 92,977.23-128,312.40-52,690.56

Finding the Fourth Proportional to 92,977.23, 128,312.40 and 52,690.56

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Solution

The fourth proportional to 92,977.23, 128,312.40 and 52,690.56 is: 72,715.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,977.23 : 128,312.40 = 52,690.56 : x
  2. Step 2: Convert to fraction form
    92,977.23/128,312.40 = 52,690.56/x
  3. Step 3: Cross multiply
    92,977.23x = 128,312.40 × 52,690.56
  4. Step 4: Simplify right side
    92,977.23x = 6,760,852,210.94
  5. Step 5: Solve for x
    x = 6,760,852,210.94/92,977.23
  6. Step 6: Final answer
    x = 72,715.14

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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.