Home / 85,828.07-118,442.66-47,587.50

Finding the Fourth Proportional to 85,828.07, 118,442.66 and 47,587.50

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Solution

The fourth proportional to 85,828.07, 118,442.66 and 47,587.50 is: 65,670.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,828.07 : 118,442.66 = 47,587.50 : x
  2. Step 2: Convert to fraction form
    85,828.07/118,442.66 = 47,587.50/x
  3. Step 3: Cross multiply
    85,828.07x = 118,442.66 × 47,587.50
  4. Step 4: Simplify right side
    85,828.07x = 5,636,389,844.81
  5. Step 5: Solve for x
    x = 5,636,389,844.81/85,828.07
  6. Step 6: Final answer
    x = 65,670.70

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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.