Home / 65,782.07-90,779.23-35,567.40

Finding the Fourth Proportional to 65,782.07, 90,779.23 and 35,567.40

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Solution

The fourth proportional to 65,782.07, 90,779.23 and 35,567.40 is: 49,083.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,782.07 : 90,779.23 = 35,567.40 : x
  2. Step 2: Convert to fraction form
    65,782.07/90,779.23 = 35,567.40/x
  3. Step 3: Cross multiply
    65,782.07x = 90,779.23 × 35,567.40
  4. Step 4: Simplify right side
    65,782.07x = 3,228,781,569.98
  5. Step 5: Solve for x
    x = 3,228,781,569.98/65,782.07
  6. Step 6: Final answer
    x = 49,083.00

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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.