Home / 85,807.98-118,409.04-47,567.16

Finding the Fourth Proportional to 85,807.98, 118,409.04 and 47,567.16

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Solution

The fourth proportional to 85,807.98, 118,409.04 and 47,567.16 is: 65,639.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,807.98 : 118,409.04 = 47,567.16 : x
  2. Step 2: Convert to fraction form
    85,807.98/118,409.04 = 47,567.16/x
  3. Step 3: Cross multiply
    85,807.98x = 118,409.04 × 47,567.16
  4. Step 4: Simplify right side
    85,807.98x = 5,632,381,751.13
  5. Step 5: Solve for x
    x = 5,632,381,751.13/85,807.98
  6. Step 6: Final answer
    x = 65,639.37

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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.