Home / 82,421.40-113,733.85-46,611.30

Finding the Fourth Proportional to 82,421.40, 113,733.85 and 46,611.30

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Solution

The fourth proportional to 82,421.40, 113,733.85 and 46,611.30 is: 64,319.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,421.40 : 113,733.85 = 46,611.30 : x
  2. Step 2: Convert to fraction form
    82,421.40/113,733.85 = 46,611.30/x
  3. Step 3: Cross multiply
    82,421.40x = 113,733.85 × 46,611.30
  4. Step 4: Simplify right side
    82,421.40x = 5,301,282,602.51
  5. Step 5: Solve for x
    x = 5,301,282,602.51/82,421.40
  6. Step 6: Final answer
    x = 64,319.25

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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.