Home / 65,779.02-90,772.64-37,479.24

Finding the Fourth Proportional to 65,779.02, 90,772.64 and 37,479.24

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Solution

The fourth proportional to 65,779.02, 90,772.64 and 37,479.24 is: 51,719.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,779.02 : 90,772.64 = 37,479.24 : x
  2. Step 2: Convert to fraction form
    65,779.02/90,772.64 = 37,479.24/x
  3. Step 3: Cross multiply
    65,779.02x = 90,772.64 × 37,479.24
  4. Step 4: Simplify right side
    65,779.02x = 3,402,089,559.99
  5. Step 5: Solve for x
    x = 3,402,089,559.99/65,779.02
  6. Step 6: Final answer
    x = 51,719.98

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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.