Home / 75,965.04-104,811.48-42,430.32

Finding the Fourth Proportional to 75,965.04, 104,811.48 and 42,430.32

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Solution

The fourth proportional to 75,965.04, 104,811.48 and 42,430.32 is: 58,542.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,965.04 : 104,811.48 = 42,430.32 : x
  2. Step 2: Convert to fraction form
    75,965.04/104,811.48 = 42,430.32/x
  3. Step 3: Cross multiply
    75,965.04x = 104,811.48 × 42,430.32
  4. Step 4: Simplify right side
    75,965.04x = 4,447,184,636.07
  5. Step 5: Solve for x
    x = 4,447,184,636.07/75,965.04
  6. Step 6: Final answer
    x = 58,542.52

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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.