Home / 71,316.48-98,417.52-39,485.94

Finding the Fourth Proportional to 71,316.48, 98,417.52 and 39,485.94

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Solution

The fourth proportional to 71,316.48, 98,417.52 and 39,485.94 is: 54,491.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,316.48 : 98,417.52 = 39,485.94 : x
  2. Step 2: Convert to fraction form
    71,316.48/98,417.52 = 39,485.94/x
  3. Step 3: Cross multiply
    71,316.48x = 98,417.52 × 39,485.94
  4. Step 4: Simplify right side
    71,316.48x = 3,886,108,289.67
  5. Step 5: Solve for x
    x = 3,886,108,289.67/71,316.48
  6. Step 6: Final answer
    x = 54,491.03

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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.