Home / 89,030.68-122,868.26-51,307.36

Finding the Fourth Proportional to 89,030.68, 122,868.26 and 51,307.36

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Solution

The fourth proportional to 89,030.68, 122,868.26 and 51,307.36 is: 70,807.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,030.68 : 122,868.26 = 51,307.36 : x
  2. Step 2: Convert to fraction form
    89,030.68/122,868.26 = 51,307.36/x
  3. Step 3: Cross multiply
    89,030.68x = 122,868.26 × 51,307.36
  4. Step 4: Simplify right side
    89,030.68x = 6,304,046,048.39
  5. Step 5: Solve for x
    x = 6,304,046,048.39/89,030.68
  6. Step 6: Final answer
    x = 70,807.57

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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.