Home / 85,830.41-118,458.17-47,598.46

Finding the Fourth Proportional to 85,830.41, 118,458.17 and 47,598.46

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Solution

The fourth proportional to 85,830.41, 118,458.17 and 47,598.46 is: 65,692.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,830.41 : 118,458.17 = 47,598.46 : x
  2. Step 2: Convert to fraction form
    85,830.41/118,458.17 = 47,598.46/x
  3. Step 3: Cross multiply
    85,830.41x = 118,458.17 × 47,598.46
  4. Step 4: Simplify right side
    85,830.41x = 5,638,426,577.81
  5. Step 5: Solve for x
    x = 5,638,426,577.81/85,830.41
  6. Step 6: Final answer
    x = 65,692.64

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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.