Home / 65,985.72-90,938.21-46,866.35

Finding the Fourth Proportional to 65,985.72, 90,938.21 and 46,866.35

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Solution

The fourth proportional to 65,985.72, 90,938.21 and 46,866.35 is: 64,588.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,985.72 : 90,938.21 = 46,866.35 : x
  2. Step 2: Convert to fraction form
    65,985.72/90,938.21 = 46,866.35/x
  3. Step 3: Cross multiply
    65,985.72x = 90,938.21 × 46,866.35
  4. Step 4: Simplify right side
    65,985.72x = 4,261,941,289.21
  5. Step 5: Solve for x
    x = 4,261,941,289.21/65,985.72
  6. Step 6: Final answer
    x = 64,588.84

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1.5x scale

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.