Home / 88,389.29-122,018.93-56,576.63

Finding the Fourth Proportional to 88,389.29, 122,018.93 and 56,576.63

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Solution

The fourth proportional to 88,389.29, 122,018.93 and 56,576.63 is: 78,102.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,389.29 : 122,018.93 = 56,576.63 : x
  2. Step 2: Convert to fraction form
    88,389.29/122,018.93 = 56,576.63/x
  3. Step 3: Cross multiply
    88,389.29x = 122,018.93 × 56,576.63
  4. Step 4: Simplify right side
    88,389.29x = 6,903,419,855.61
  5. Step 5: Solve for x
    x = 6,903,419,855.61/88,389.29
  6. Step 6: Final answer
    x = 78,102.45

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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.