Home / 76,258.16-105,237.03-42,267.39

Finding the Fourth Proportional to 76,258.16, 105,237.03 and 42,267.39

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Solution

The fourth proportional to 76,258.16, 105,237.03 and 42,267.39 is: 58,329.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,258.16 : 105,237.03 = 42,267.39 : x
  2. Step 2: Convert to fraction form
    76,258.16/105,237.03 = 42,267.39/x
  3. Step 3: Cross multiply
    76,258.16x = 105,237.03 × 42,267.39
  4. Step 4: Simplify right side
    76,258.16x = 4,448,094,312.88
  5. Step 5: Solve for x
    x = 4,448,094,312.88/76,258.16
  6. Step 6: Final answer
    x = 58,329.42

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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.