Home / 66,038.21-98,868.67-61,848.40

Finding the Fourth Proportional to 66,038.21, 98,868.67 and 61,848.40

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Solution

The fourth proportional to 66,038.21, 98,868.67 and 61,848.40 is: 92,595.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,038.21 : 98,868.67 = 61,848.40 : x
  2. Step 2: Convert to fraction form
    66,038.21/98,868.67 = 61,848.40/x
  3. Step 3: Cross multiply
    66,038.21x = 98,868.67 × 61,848.40
  4. Step 4: Simplify right side
    66,038.21x = 6,114,868,246.04
  5. Step 5: Solve for x
    x = 6,114,868,246.04/66,038.21
  6. Step 6: Final answer
    x = 92,595.91

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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.