Home / 70,637.64-97,477.66-38,804.54

Finding the Fourth Proportional to 70,637.64, 97,477.66 and 38,804.54

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Solution

The fourth proportional to 70,637.64, 97,477.66 and 38,804.54 is: 53,549.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,637.64 : 97,477.66 = 38,804.54 : x
  2. Step 2: Convert to fraction form
    70,637.64/97,477.66 = 38,804.54/x
  3. Step 3: Cross multiply
    70,637.64x = 97,477.66 × 38,804.54
  4. Step 4: Simplify right side
    70,637.64x = 3,782,575,756.58
  5. Step 5: Solve for x
    x = 3,782,575,756.58/70,637.64
  6. Step 6: Final answer
    x = 53,549.01

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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.