Home / 67,779.04-93,533.48-39,482.90

Finding the Fourth Proportional to 67,779.04, 93,533.48 and 39,482.90

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Solution

The fourth proportional to 67,779.04, 93,533.48 and 39,482.90 is: 54,485.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,779.04 : 93,533.48 = 39,482.90 : x
  2. Step 2: Convert to fraction form
    67,779.04/93,533.48 = 39,482.90/x
  3. Step 3: Cross multiply
    67,779.04x = 93,533.48 × 39,482.90
  4. Step 4: Simplify right side
    67,779.04x = 3,692,973,037.49
  5. Step 5: Solve for x
    x = 3,692,973,037.49/67,779.04
  6. Step 6: Final answer
    x = 54,485.47

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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.