Home / 66,303.05-99,461.52-38,254.77

Finding the Fourth Proportional to 66,303.05, 99,461.52 and 38,254.77

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Solution

The fourth proportional to 66,303.05, 99,461.52 and 38,254.77 is: 57,386.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,303.05 : 99,461.52 = 38,254.77 : x
  2. Step 2: Convert to fraction form
    66,303.05/99,461.52 = 38,254.77/x
  3. Step 3: Cross multiply
    66,303.05x = 99,461.52 × 38,254.77
  4. Step 4: Simplify right side
    66,303.05x = 3,804,877,571.45
  5. Step 5: Solve for x
    x = 3,804,877,571.45/66,303.05
  6. Step 6: Final answer
    x = 57,386.17

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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.