Home / 84,364.56-126,283.32-56,307.60

Finding the Fourth Proportional to 84,364.56, 126,283.32 and 56,307.60

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Solution

The fourth proportional to 84,364.56, 126,283.32 and 56,307.60 is: 84,285.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,364.56 : 126,283.32 = 56,307.60 : x
  2. Step 2: Convert to fraction form
    84,364.56/126,283.32 = 56,307.60/x
  3. Step 3: Cross multiply
    84,364.56x = 126,283.32 × 56,307.60
  4. Step 4: Simplify right side
    84,364.56x = 7,110,710,669.23
  5. Step 5: Solve for x
    x = 7,110,710,669.23/84,364.56
  6. Step 6: Final answer
    x = 84,285.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.